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Washington State University
College of Arts and Sciences Tim Kohler

Charting wealth inequality across millennia

Researchers at Washington State University and 13 other institutions have found that the arc of prehistory bends towards economic inequality. In the largest study of its kind, the researchers saw disparities in wealth mount with the rise of agriculture, specifically the domestication of plants and large animals, and increased social organization.

Their findings, published this week in the journal Nature, have profound implications for contemporary society, as inequality repeatedly leads to social disruption, even collapse, said Tim Kohler, lead author and WSU Regents professor of archaeology and evolutionary anthropology at WSU. » More …

Prehistoric turkey DNA used to track human migration

In the mid-to-late 1200s, some 30,000 ancestral pueblo farmers left their homes in southwestern Colorado’s Mesa Verde region and never returned.

Where these people went and why they left are two of American archeology’s longest-standing mysteries. » More …